ICES Advice 2005, Volume 2 - Iceland and East Greenland

1 ICELAND AND EAST GREENLAND

1.1 Ecosystem overview 1

1.1.1 Ecosystem components 1

1.1.2 Environmental forcing on fish stock dynamics and fisheries 5

1.1.3 Ecosystem effects of the fisheries 6

1.1.4 References 6

1.2 The human use of the ecosystem 11

1.2.1 Overall impacts 11

1.2.2 Fisheries 11

1.3 Assessments and advice 22

1.3.1 Special requests 26

1.3.1.1 NEAFC requests concerning redfish stocks in the Irminger Sea and adjacent areas 26

1.4 Stock summaries Iceland and East Greenland

1.4.1 Greenland cod (ICES Subarea XIV and NAFO Subarea 1) 27

1.4.2 Icelandic cod (Division Va) 33

1.4.3 Icelandic haddock (Division Va) 43

1.4.4 Icelandic saithe (Division Va) 52

1.4.5 Greenland halibut in Subareas V, VI, XII, and XIV 58

1.4.6 Introduction to Redfish complex 68

1.4.7 Sebastes marinus in Subareas V, VI, XII and XIV 72

1.4.8 Demersal Sebastes mentella on the continental shelf in Subareas V,VI, and XIV 78

1.4.9 Pelagic fishery for Sebastes mentella in the Irminger Sea 85

1.4.10 Icelandic summer-spawning herring (Division Va) 94

1.4.11 Capelin in the Iceland-East Greenland-Jan Mayen area (Subareas V and XIV and Division IIa west of 5ºW)